File: image_demo.py

package info (click to toggle)
matplotlib 0.99.3-1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 33,060 kB
  • ctags: 28,162
  • sloc: python: 79,063; cpp: 64,496; objc: 4,513; ansic: 1,948; makefile: 146; sh: 7
file content (18 lines) | stat: -rw-r--r-- 471 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
#!/usr/bin/env python
import numpy as np
import matplotlib.cm as cm
import matplotlib.mlab as mlab
import matplotlib.pyplot as plt

delta = 0.025
x = y = np.arange(-3.0, 3.0, delta)
X, Y = np.meshgrid(x, y)
Z1 = mlab.bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = mlab.bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
Z = Z2-Z1  # difference of Gaussians

im = plt.imshow(Z, interpolation='bilinear', cmap=cm.gray,
                origin='lower', extent=[-3,3,-3,3])

plt.show()